Double blade valvulotome



FIG. 1 is a bottom right side perspective view of a double blade valvulotome showing my new design, the shaft is shown broken in the center to indicate indeterminate length;

FIG. 2 is a front, top and left side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a right side elevational view thereof;

FIG. 8 is a left side elevational view thereof;

FIG. 9 is a rear bottom right side perspective view thereof, with the blades shown in extended position; and,

FIG. 10 is a front top side perspective view thereof. 

The ornamental design for a double blade valvulotome, as shown and described. 